diff options
Diffstat (limited to 'include/gc_mark.h')
| -rw-r--r-- | include/gc_mark.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/include/gc_mark.h b/include/gc_mark.h index b5201cb7..5aed0beb 100644 --- a/include/gc_mark.h +++ b/include/gc_mark.h @@ -33,6 +33,14 @@ extern "C" { #endif +#define GC_PROC_BYTES 100 + +#ifdef GC_BUILD + struct GC_ms_entry; +#else + struct GC_ms_entry { void *opaque; }; +#endif + /* A client supplied mark procedure. Returns new mark stack pointer. */ /* Primary effect should be to push new entries on the mark stack. */ /* Mark stack pointer values are passed and returned explicitly. */ @@ -54,14 +62,10 @@ /* residing on a free list. Such objects are cleared, except for a */ /* free list link field in the first word. Thus mark procedures may */ /* not count on the presence of a type descriptor, and must handle this */ -/* case correctly somehow. */ -#define GC_PROC_BYTES 100 - -#ifdef GC_BUILD - struct GC_ms_entry; -#else - struct GC_ms_entry { void *opaque; }; -#endif +/* case correctly somehow. Also, a mark procedure should be prepared */ +/* to be executed concurrently from the marker threads (the later ones */ +/* are created only if the client has called GC_start_mark_threads() */ +/* or started a user thread previously). */ typedef struct GC_ms_entry * (*GC_mark_proc)(GC_word * /* addr */, struct GC_ms_entry * /* mark_stack_ptr */, struct GC_ms_entry * /* mark_stack_limit */, |